For some social birds, raising their young or finding food is a group effort. Learn more about cooperative bird behavior.

There are plenty of examples of mutualism in nature. Be it the rhinosaurus and the oxpecker, clownfish and sea anemones, or ...

Cuckoos sneak their eggs into other birds’ nests and copy egg colors to avoid detection. This study explains how they adjust to many hosts.

In our complete guide to bird lifecycles, we lead you from nesting and hatching all the way back to the mating season.

Big Bear’s famed bald eagles Jackie and Shadow are back at their nest, signaling possible preparations for the upcoming breeding season.